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  1. 14th Mar 2003 17:06 #1
    TurboRunner
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    When using 3:2 pulldown on playback in TMPGEnc I have noticed that the output GOP size in the .log file is shorter than what I had specified. IE:

    1/7/1/1/15 Closed GOP should produce a GOP of 15 but produces a GOP of 12 when 3:2 pulldown on playback is selected.

    1/9/1/1/19 Closed GOP produces a GOP of 15 in the .log file when using 3:2 pulldown on playback but is this DVD compatible?

    Does anything happen to the GOP size when the DVD player plays back the file after 3:2 pulldown? Does the GOP stretch out to the originally specified GOP size?

    I am unsure because the max GOP allowed for NTSC DVD compatibility is 18, but I have to specify 19 to get the .log to show a GOP of 15.

    I can't find out myself as I don't own a DVD burner and can only produce CVD's.
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  2. 17th Mar 2003 03:29 #2
    SatStorm
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    A sorter GOP lenght, shouldn't be a problem.
    The maximum GOP structure is limited to 18 ntsc / 15 PAL for DVD - Video.
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